joe biden has been in the region. what is your sense of the follow-up in the long-term? did they respond correctly to that? i think we need to be calm about this. i thing the conversations with the chinese are helpful. it is not a no-fly zone. we have zones like it that. stateslking the united as well. everyone wants to know who is coming and going. chinese know if the miscalculated. it has certainly gotten the attention of the rest of the world. way they miscalculated definitely strengthens a lot of other countries. they are concerned about china overreaching. right now i do not think that situation will be more than that. >> do you think this is a harbinger of future conflicts or tensions that may arise over territorial disputes in places that may be most americans are but areliar with sensitive issues with other countries in southeast asia? gethe u.s. going to increasingly drawn into these kind of disputes and have to take sides or is this a one-off? >> i do not know about increasingly. ago but how many years a u.s. military plane was forced to the ground in another p